cpuwalk.d(1m) USER COMMANDS cpuwalk.d(1m)NAMEcpuwalk.d - Measure which CPUs a process runs on. Uses DTrace.
SYNOPSIScpuwalk.d [duration]
DESCRIPTION
This program is for multi-CPU servers, and can help identify if a
process is running on multiple CPUs concurrently or not.
A duration may be specified in seconds.
Since this uses DTrace, only users with root privileges can run this
command.
EXAMPLES
this runs until Ctrl-C is hit,
# cpuwalk.d
run for 5 seconds,
# cpuwalk.d 5
FIELDS
PID process ID
CMD process name
value CPU id
count number of samples (sample at 100 hz)
DOCUMENTATION
See the DTraceToolkit for further documentation under the Docs direc‐
tory. The DTraceToolkit docs may include full worked examples with ver‐
bose descriptions explaining the output.
EXITcpuwalk.d will run until Ctrl-C is hit, or the duration specified is
reached.
SEE ALSOthreaded.d(1M), dtrace(1M)version 0.90 Sep 22, 2005 cpuwalk.d(1m)